CN104231428A - Polypropylene material for automobile engine compartment and preparation method of polypropylene material - Google Patents
Polypropylene material for automobile engine compartment and preparation method of polypropylene material Download PDFInfo
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- CN104231428A CN104231428A CN201410408581.2A CN201410408581A CN104231428A CN 104231428 A CN104231428 A CN 104231428A CN 201410408581 A CN201410408581 A CN 201410408581A CN 104231428 A CN104231428 A CN 104231428A
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- polypropylene
- polypropylene material
- automobile engine
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
Abstract
The invention discloses a polypropylene material for an automobile engine compartment and a preparation method of the polypropylene material. As magnesium salt crystal whisker and talcum powder are adopted to cooperatively reinforce high-thermal-resistance polypropylene, the prepared polypropylene material is super high in modulus, high in thermal resistance, good in formation processing property, smooth in surface and high in design pertinence of various properties, and the requirements of polypropylene materials for the automobile engine compartment can be completely met.
Description
Technical field
The present invention relates to automobile engine nacelle polypropylene material, be a kind of material with high-modulus, high heat-resisting, high workability and good appearance, be mainly used in superior automobile nacelle.
Background technology
Within 2009, China becomes Global Auto volume of production and marketing first big country, and continuous 4 years the first, automobile consumption was popularized fast, and the application on automobile of various general-purpose plastics and engineering plastics is more and more extensive.It not only can alleviate component and complete vehicle weight, also can reduce material cost and car load price simultaneously.In numerous plastics, polypropylene is because light weight is inexpensive and processibility obtains a large amount of use well.Each system such as automobile interior exterior decorations, nacelle, chassis all uses polypropylene material.
Polyacrylic high performance development is swift and violent, the various functional poly propylene materials such as weather-proof, heat-resisting, high light is heat-resisting, antibacterial, scrape resistant, high flowing lower shrinkage are constantly weeded out the old and bring forth the new, performance significantly promotes, and reaches engineering plastics specification of quality, has constantly widened the breadth and depth of polypropylene application.Polypropylene modification is mainly filled and is strengthened, and general filling type mineral comprise mica, talcum powder, calcium carbonate, barium sulfate, wollastonite; Enhancing aspect is mainly glass.Packing material imparts polypropylene excellent properties, and such as high smooth heat-resistance polypropylene is in a large number for small household appliances panel, becomes to replace the gesture of ABS.Talc powder filled polypropylene material is widely applied on automobile.Fiber glass reinforced polypropylene comprise long glass fiber-reinforced polypropylene due to surface unsightly, be still confined in some structural part and module.The field that polypropylene modified material enters is wider, higher to the requirement of material property.
Automobile polypropylene material high-modulus, high tenacity, high heat-resisting and there is good appearance become the direction that engineering technical personnel pursue.CN102516662A employing magnesium salt whisker Reinforced Polypropylene, obtains high strength and height is heat-resisting, and not only loading level is large, and multinomial performance is difficult to the requirement meeting superior automobile nacelle polypropylene material.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of automobile engine nacelle polypropylene material and preparation method thereof is provided.
The technical solution used in the present invention is:
Automobile engine nacelle polypropylene material, is obtained by the raw material of following parts by weight:
Polypropylene 66.5-77.5 part
Talcum powder 0-30 part
Magnesium salt whisker 0-30 part
Oxidation inhibitor 0.5-1 part
Lubricant 0.5-1 part
Photostabilizer 0.5-1 part
Look female 1-2 part.
Preferably, obtained by the raw material of following parts by weight:
Polypropylene 66.5 parts
Talcum powder 15 parts
Magnesium salt whisker 15 parts
0.5 part, oxidation inhibitor
Lubricant 0.5 part
Photostabilizer 0.5 part
Look female 2 parts.
Preferably, described polyacrylic heat-drawn wire is be greater than 120 DEG C under 0.45MPa condition.
Preferably, described talcous median size is 0.5-10 micron; The median size of described magnesium salt whisker is less than 1 micron, and length-to-diameter ratio is greater than 30.
Preferably, described lubricant is the mixture of ethylene bis stearic acid amide and polyethylene wax; Described oxidation inhibitor is the mixture of Hinered phenols and phosphite ester kind antioxidant; Described photostabilizer is hindered amine light stabilizer.
Preferably, described polypropylene is HJ4012 and HJ4045 of Kpic.
Preferably, described magnesium salt whisker is the WS-1S2 alkali magnesium sulfate crystal whisker of Yingkou Wei Sike chemical company, oxidation inhibitor is the B215 of Jin Haiyabao, lubricant is the EBS P-200 of CMS company of Indonesia and the AC-6A of Honeywell Inc., talcum powder is the magnificent golden monkey board 2000 object talcum powder of LONGSHENG IN GUANGXI, and photostabilizer is the special PP5-3808 of cyanogen.
The preparation method of above-mentioned automobile engine nacelle polypropylene material, comprises the following steps: take raw material by proportioning, mixes, add twin screw extruder, extrudes rear cooling, drying, pelletizing, obtains automobile engine nacelle polypropylene material.
Preferably, a district temperature 180-195 DEG C, two district temperature 210-225 DEG C, three district temperature 210-225 DEG C, four district temperature 210-225 DEG C, five district temperature 185-210 DEG C, six district temperature 185-210 DEG C, seven district temperature 185-210 DEG C, eight district temperature 185-210 DEG C, nine district temperature 210-225 DEG C.
Preferably, the engine speed of twin screw extruder is 250-350 rev/min.
The invention has the beneficial effects as follows:
The present invention adopts magnesium salt whisker and talcum powder collaborative enhancing high heat-resisting polypropylene, gained polypropylene material has ultra high modulus, high heat resistance, molding processibility is good simultaneously, smooth surface, the design of material various aspects of performance is with strong points, meets the requirement of superior automobile nacelle polypropylene material completely.
Embodiment
The present inventor provides a kind of automobile engine nacelle polypropylene material, meets the superior automobile manufacture demand that material domesticizes day by day.Content of the present invention is set forth further below in conjunction with embodiment.
In following examples, HJ4012 and HJ4045 of Kpic selected by polypropylene, magnesium salt whisker selects the WS-1S2 alkali magnesium sulfate crystal whisker of Yingkou Wei Sike chemical company, the B215 of Jin Haiyabao selected by oxidation inhibitor, lubricant ethylene bis stearic acid amide (EBS) selects the P-200 of CMS company of Indonesia, polyethylene wax (PE wax) selects the AC-6A of Honeywell Inc., and magnificent golden monkey board 2000 order of LONGSHENG IN GUANGXI selected by talcum powder, and the special PP5-3808 of cyanogen selected by photostabilizer.
embodiment 1
Take 77.5kg polypropylene HJ4012,0.5kg oxidation inhibitor, 0.3kg lubricant PE wax and 0.2kg Lubricate EBS, 0.5kg photostabilizer, 1kg black masterbatch and 20kg talcum powder, add twin screw extruder after mixing under room temperature, extrude rear cooling, drying, pelletizing, obtain automobile engine nacelle polypropylene material.
The processing conditions of twin screw extruder is: district's temperature 180 DEG C, two district's temperature 210 DEG C, three district's temperature 210 DEG C, four district's temperature 210 DEG C, five district's temperature 185 DEG C, six district's temperature 185 DEG C, seven district's temperature 185 DEG C, eight district's temperature 185 DEG C, nine district's temperature 210 DEG C, engine speed 250 revs/min.
embodiment 2
Take 77kg polypropylene HJ4012,1kg oxidation inhibitor, 0.3kg lubricant PE wax and 0.2kg Lubricate EBS, 0.5kg photostabilizer, 1kg black masterbatch and 20kg magnesium salt whisker, add twin screw extruder after mixing under room temperature, extrude rear cooling, drying, pelletizing, obtain automobile engine nacelle polypropylene material.
The processing conditions of twin screw extruder is: district's temperature 195 DEG C, two district's temperature 225 DEG C, three district's temperature 225 DEG C, four district's temperature 225 DEG C, five district's temperature 210 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 210 DEG C, nine district's temperature 225 DEG C, engine speed 300 revs/min.
embodiment 3
Take 77kg polypropylene HJ4045,0.5kg oxidation inhibitor, 0.3kg lubricant PE wax and 0.2kg Lubricate EBS, 1kg photostabilizer, 1kg black masterbatch, 10kg talcum powder and 10kg magnesium salt whisker, add twin screw extruder after mixing under room temperature, extrude rear cooling, drying, pelletizing, obtain automobile engine nacelle polypropylene material.
The processing conditions of twin screw extruder is: district's temperature 195 DEG C, two district's temperature 220 DEG C, three district's temperature 220 DEG C, four district's temperature 220 DEG C, five district's temperature 190 DEG C, six district's temperature 190 DEG C, seven district's temperature 190 DEG C, eight district's temperature 190 DEG C, nine district's temperature 220 DEG C, engine speed 350 revs/min.
embodiment 4
Take 67kg polypropylene HJ4045,0.5kg oxidation inhibitor, 0.5kg lubricant PE wax and 0.5kg Lubricate EBS, 0.5kg photostabilizer, 1kg black masterbatch, 30kg talcum powder, add twin screw extruder after mixing under room temperature, extrude rear cooling, drying, pelletizing, obtain automobile engine nacelle polypropylene material.
The processing conditions of twin screw extruder is: district's temperature 195 DEG C, two district's temperature 220 DEG C, three district's temperature 220 DEG C, four district's temperature 220 DEG C, five district's temperature 190 DEG C, six district's temperature 190 DEG C, seven district's temperature 190 DEG C, eight district's temperature 190 DEG C, nine district's temperature 220 DEG C, engine speed 250 revs/min.
embodiment 5
Take 67.5kg polypropylene HJ4012,0.5kg oxidation inhibitor, 0.3kg lubricant PE wax and 0.2kg Lubricate EBS, 0.5kg photostabilizer, 1kg black masterbatch, 30kg magnesium salt whisker, add twin screw extruder after mixing under room temperature, extrude rear cooling, drying, pelletizing, obtain automobile engine nacelle polypropylene material.
The processing conditions of twin screw extruder is: district's temperature 195 DEG C, two district's temperature 220 DEG C, three district's temperature 220 DEG C, four district's temperature 220 DEG C, five district's temperature 190 DEG C, six district's temperature 190 DEG C, seven district's temperature 190 DEG C, eight district's temperature 190 DEG C, nine district's temperature 220 DEG C, engine speed 250 revs/min.
embodiment 6
Take 66.5kg polypropylene HJ4012,0.5kg oxidation inhibitor, 0.3kg lubricant PE wax and 0.2kg Lubricate EBS, 0.5kg photostabilizer, 2kg black masterbatch, 15kg talcum powder and 15kg magnesium salt whisker, add twin screw extruder after mixing under room temperature, extrude rear cooling, drying, pelletizing, obtain automobile engine nacelle polypropylene material.
The processing conditions of twin screw extruder is: district's temperature 195 DEG C, two district's temperature 220 DEG C, three district's temperature 220 DEG C, four district's temperature 220 DEG C, five district's temperature 190 DEG C, six district's temperature 190 DEG C, seven district's temperature 190 DEG C, eight district's temperature 190 DEG C, nine district's temperature 220 DEG C, engine speed 250 revs/min.
Carry out performance test to embodiment 1-6 gained automobile engine nacelle polypropylene material, result is as follows:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Flexural strength (MPa) | 50.1 | 50.2 | 55.6 | 61.3 | 61.5 | 65.7 |
| Modulus in flexure (MPa) | 2862 | 3635 | 4013 | 3502 | 4656 | 4829 |
| Notched Izod impact strength (KJ/m 2） | 4.2 | 3.7 | 3.5 | 3.8 | 3.4 | 3.3 |
| Melting index (g/10min) | 31 | 33 | 31 | 29 | 31 | 29 |
| Heat-drawn wire (0.45MPa) DEG C | 126.4 | 130.2 | 131.4 | 138.5 | 143.3 | 145.7 |
| Heat-drawn wire (1.8MPa) DEG C | 76.2 | 86.1 | 89.6 | 105.2 | 115.7 | 117.4 |
Testing standard and condition:
Crooked test GB/T 9341-2008, speed 2mm/min, span 64mm;
Heat-drawn wire test GB/T 1634.2-2004,
Notched Izod impact strength test GB/T 1843-2008,
Melting index test GB/T 3682-2000, temperature 230 DEG C, counterweight 2.16kg, batten size 80*10*4mm.
Polypropylene material of the present invention has ultra high modulus, high heat resistance, and molding processibility is good simultaneously, smooth surface, and the design of material various aspects of performance is with strong points, meets the requirement of superior automobile nacelle polypropylene material completely.
More than preferred embodiment of the present invention, all changes made according to technical solution of the present invention, the function produced fail the scope exceeding technical solution of the present invention time, all belong to protection scope of the present invention.
Claims (10)
1. automobile engine nacelle polypropylene material, is obtained by the raw material of following parts by weight:
Polypropylene 66.5-77.5 part
Talcum powder 0-30 part
Magnesium salt whisker 0-30 part
Oxidation inhibitor 0.5-1 part
Lubricant 0.5-1 part
Photostabilizer 0.5-1 part
Look female 1-2 part.
2. automobile engine nacelle polypropylene material according to claim 1, is characterized in that: obtained by the raw material of following parts by weight:
Polypropylene 66.5 parts
Talcum powder 15 parts
Magnesium salt whisker 15 parts
0.5 part, oxidation inhibitor
Lubricant 0.5 part
Photostabilizer 0.5 part
Look female 2 parts.
3. automobile engine nacelle polypropylene material according to claim 1 and 2, is characterized in that: described polyacrylic heat-drawn wire is be greater than 120 DEG C under 0.45MPa condition.
4. automobile engine nacelle polypropylene material according to claim 1 and 2, is characterized in that: described talcous median size is 0.5-10 micron; The median size of described magnesium salt whisker is less than 1 micron, and length-to-diameter ratio is greater than 30.
5. automobile engine nacelle polypropylene material according to claim 1 and 2, is characterized in that: described lubricant is the mixture of ethylene bis stearic acid amide and polyethylene wax; Described oxidation inhibitor is the mixture of Hinered phenols and phosphite ester kind antioxidant; Described photostabilizer is hindered amine light stabilizer.
6. automobile engine nacelle polypropylene material according to claim 1 and 2, is characterized in that: described polypropylene is HJ4012 and HJ4045 of Kpic.
7. automobile engine nacelle polypropylene material according to claim 1 and 2, it is characterized in that: described magnesium salt whisker is the WS-1S2 alkali magnesium sulfate crystal whisker of Yingkou Wei Sike chemical company, oxidation inhibitor is the B215 of Jin Haiyabao, lubricant is the EBS P-200 of CMS company of Indonesia and the AC-6A of Honeywell Inc., talcum powder is the magnificent golden monkey board 2000 object talcum powder of LONGSHENG IN GUANGXI, and photostabilizer is the special PP5-3808 of cyanogen.
8. the preparation method of the automobile engine nacelle polypropylene material described in claim 1-7 any one, comprise the following steps: take raw material by proportioning, mix, add twin screw extruder, extrude rear cooling, drying, pelletizing, obtain automobile engine nacelle polypropylene material.
9. preparation method according to claim 8, it is characterized in that: the processing conditions of twin screw extruder is: a district temperature 180-195 DEG C, two district temperature 210-225 DEG C, three district temperature 210-225 DEG C, four district temperature 210-225 DEG C, five district temperature 185-210 DEG C, six district temperature 185-210 DEG C, seven district temperature 185-210 DEG C, eight district temperature 185-210 DEG C, nine district temperature 210-225 DEG C.
10. preparation method according to claim 8, is characterized in that: the engine speed of twin screw extruder is 250-350 rev/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410408581.2A CN104231428A (en) | 2014-08-19 | 2014-08-19 | Polypropylene material for automobile engine compartment and preparation method of polypropylene material |
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| CN201410408581.2A CN104231428A (en) | 2014-08-19 | 2014-08-19 | Polypropylene material for automobile engine compartment and preparation method of polypropylene material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273350A (en) * | 2015-06-11 | 2017-01-04 | 合肥杰事杰新材料股份有限公司 | A kind of automobile high rigidity high-toughness polypropylene composite material and preparation method thereof |
| CN112795123A (en) * | 2020-12-25 | 2021-05-14 | 天津金发新材料有限公司 | Low-VOC high-heat-resistance talcum powder/whisker composite reinforced polypropylene material and preparation method thereof |
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| CN103524881A (en) * | 2013-10-29 | 2014-01-22 | 大韩道恩高分子材料(上海)有限公司 | Polypropylene composite resin composition for automobile |
| CN103865168A (en) * | 2012-12-13 | 2014-06-18 | 上海金发科技发展有限公司 | Composite reinforced modified polypropylene composition for vehicle parts, and preparation method thereof |
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2014
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| JPH02182739A (en) * | 1989-01-10 | 1990-07-17 | Mitsubishi Motors Corp | Resin outer plate for automobile |
| CN101250303A (en) * | 2008-03-20 | 2008-08-27 | 江南模塑科技股份有限公司 | Mineral/whisker reinforced polypropylene composite material having good spraying property |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106273350A (en) * | 2015-06-11 | 2017-01-04 | 合肥杰事杰新材料股份有限公司 | A kind of automobile high rigidity high-toughness polypropylene composite material and preparation method thereof |
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| CN112795123A (en) * | 2020-12-25 | 2021-05-14 | 天津金发新材料有限公司 | Low-VOC high-heat-resistance talcum powder/whisker composite reinforced polypropylene material and preparation method thereof |
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Application publication date: 20141224 |